First you download and install the Google Crome browser.
Click the tool icon at the top right.
Select "Options"
Select the tab to the right "Under the hood" or "Advanced options"
Select "Change font and language settings"
Select the "Language" tab
Delete "Danish" from the top field, if it is there
Choose your language at the bottom
Click "OK"

When you subsequently open a website in danish, there will in the top of the window be a toolbar:
"This website is in Danish, will you translate it"
Click the "Translate" button, and the website is translated to your language.